title: Packet Tracer

Packet Tracer

Fix GUI issues with KDE Plasma dark theme

mkdir ~/.config-pt
cd ~/.config
cp -rf dconf gtk-3.0 gtk-4.0 xsettingsd ~/.config-pt

Right-click on Menu button.
Click Edit Applications.
Select Packet Tracer.
Add XDG_CONFIG_HOME=/home/jas/.config-pt to Environment variables.
Save.

Source. Thanks, u/AtomHeartSon!